Enable a11y audit for chrome://settings

chrome/browser/ui/webui/options/language_options_browsertest.js

Index: chrome/browser/ui/webui/options/language_options_browsertest.js
diff --git a/chrome/browser/ui/webui/options/language_options_browsertest.js b/chrome/browser/ui/webui/options/language_options_browsertest.js
index eedfeb600b0e8f9e127034a32682eb62113f0e1c..fc5ffba8f7b5d28a5783e9cc3a9572c37080bcb3 100644
--- a/chrome/browser/ui/webui/options/language_options_browsertest.js
+++ b/chrome/browser/ui/webui/options/language_options_browsertest.js
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+GEN_INCLUDE(['options_browsertest_base.js']);
+
 /**
  * TestFixture for language options WebUI testing.
  * @extends {testing.Test}
@@ -10,7 +12,7 @@
 function LanguageOptionsWebUITest() {}
 
 LanguageOptionsWebUITest.prototype = {
-  __proto__: testing.Test.prototype,
+  __proto__: OptionsBrowsertestBase.prototype,
 
   /** @override */
   browsePreload: 'chrome://settings-frame/languages',